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INORGANIC CHEMISTRY > Metallurgy > Flashcards

Metallurgy Flashcards

1
Q

explain hall’s process

A
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2
Q

how are metals like zinc,cadmium,mercury purified?

A

Distillation

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3
Q

which impurities does impure zinc contain?

A

cadmium and platinum

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4
Q

at what temperatures zinc and cadmium are heated and vapourised in distillation purification?

A

920°C and 767°C

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5
Q

which ore is galena and cinnabar

A

PbS,HgS

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6
Q

zinc blende and copper glance

A

ZnS,Cu2S

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7
Q

fool’s gold and argentite

A

Fe2S and Ag2S

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8
Q

copper pyrite and fluorspar

A

CuFeS2 and CaF2

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9
Q

Horn Silver formula

A

AgCl

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10
Q

Haematite and Magnetite

A

Fe2O3 and Fe3O4

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11
Q

Kaolinite formula it is a form of clay

A

Al2(OH)4.Si2O5

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12
Q

what the fuck is ruby copper?

A

Cuprite or Cu2O

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13
Q

Pitch blende bruh damn

A

U3O8 😳

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14
Q

why cant we do carbon reduction of chromium

A

because chromium forms carbide which is not desirable

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15
Q

explain cyanide process for gold

A

this is it pretty much. after this further purification maybe

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16
Q

How is zinc obtained from Zinc blende

A
17
Q

How is Zn derived from calamine

A

Same as blende but concentration is done by levigation and oxide is obtained by clacination instead of roasting

18
Q

Malachite

A

Cu(OH)2.CuCO3

19
Q

Azurite

A

Cu(OH)2.2CuCO3

20
Q

How is copper extracted from copper pyrites

A
21
Q

What happens in bessemer converter

A
22
Q

Why is SiO2 used as flux and not some other acidic flux to get rid of acidic impurity FeO

A

Because it is cheap my nigga

23
Q

Tin extraction

A
24
Q

Lead extraction from galena

A
25
Q
A

C

26
Q
A

D and B

27
Q
A

B

28
Q

Dow’s process explanation

A

Electrolysis of mgcl2

29
Q
A

A

30
Q
A

B

INORGANIC CHEMISTRY (6 decks)

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